Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 973 (Div. 2)
11:45:51
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1250A	Berstagram implementation	1400	x4077
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9651
1249C2	Good Numbers (hard version) binary search, greedy, math, meet-in-the-middle	1500	x12600
1249C1	Good Numbers (easy version) brute force, greedy, implementation	1300	x15494
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x16736
1245C	Constanze's Machine dp	1400	x17472
1243B2	Character Swap (Hard Version) strings	1600	x7080
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12560
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7337
1238C	Standard Free2play dp, greedy, math	1600	x7408
1238B	Kill `Em All greedy, sortings	1300	x13588
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6077
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x15928
1236C	Labs constructive algorithms, greedy, implementation	1300	x10147
1236B	Alice and the List of Presents combinatorics, math	1500	x11024
1234D	Distinct Characters Queries data structures	1600	x14924
1234C	Pipes dp, implementation	1500	x12575
1234B2	Social Network (hard version) data structures, implementation	1300	x16877
1228C	Primes and Multiplication math, number theory	1700	x9015
1228B	Filling the Grid implementation, math	1400	x11503
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6389
1227C	Messy constructive algorithms	1700	x5514
1225C	p-binary bitmasks, brute force, math	1600	x8942
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10572
1223C	Save the Nature binary search, greedy	1600	x8298
1220C	Substring Game in the Lesson games, greedy, strings	1300	x10186
1220B	Multiplication Table math, number theory	1300	x11592
1219C	Periodic integer number implementation, strings	1700	x1777
1218F	Workout plan data structures, greedy	1500	x2929
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7417
1217B	Zmei Gorynich greedy, math	1600	x11182
1217A	Creating a Character binary search, math	1300	x14941
1216D	Swords math	1300	x11118
1216C	White Sheet geometry, math	1700	x9189
1215D	Ticket Game games, greedy, math	1700	x6084
1215C	Swap Letters constructive algorithms, greedy	1500	x11100
1215B	The Number of Products combinatorics, dp, implementation	1400	x12891
1214A	Optimal Currency Exchange brute force, math	1400	x9083
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11425
1213D1	Equalizing by Division (easy version) brute force, implementation	1500	x11367
1211C	Ice Cream *special problem, greedy, sortings	1700	x486
1211B	Traveling Around the Golden Ring of Berland *special problem, implementation	1500	x763
1210B	Marcin and Training Camp brute force, greedy	1700	x5763
1210A	Anadi and Domino brute force, graphs	1700	x5150
1209D	Cow and Snacks dfs and similar, dsu, graphs	1700	x9225
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7484
1209B	Koala and Lights implementation, math, number theory	1300	x8155
1208B	Uniqueness binary search, brute force, implementation, two pointers	1500	x10354
1207C	Gas Pipeline dp, greedy	1500	x9836
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6670
1203E	Boxers greedy, sortings	1500	x13795
1203D2	Remove the Substring (hard version) binary search, greedy, implementation, two pointers	1700	x7345
1203D1	Remove the Substring (easy version) greedy, implementation	1600	x8734
1203C	Common Divisors implementation, math	1300	x20501
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4557
1201C	Maximum Median binary search, greedy, math, sortings	1400	x23347
1201B	Zero Array greedy, math	1500	x18700
1200C	Round Corridor math, number theory	1400	x9852
1198B	Welfare State binary search, brute force, data structures, sortings	1600	x9437
1198A	MP3 sortings, two pointers	1600	x9003
1197C	Array Splitting greedy, sortings	1400	x13860
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9699
1196D1	RGB Substring (easy version) implementation	1500	x10508
1196C	Robot Breakout implementation	1500	x9324
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7878
1195C	Basketball Exercise dp	1400	x25661
1194D	1-2-K Game games, math	1700	x6493
1194C	From S To T implementation, strings	1300	x13153
1194B	Yet Another Crosses Problem implementation	1300	x10291
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9351
1189C	Candies! data structures, dp, implementation, math	1400	x10564
1188A1	Add on a Tree trees	1600	x8392
1187B	Letters Shop binary search, implementation, strings	1300	x12174
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8920
1185D	Extra Element implementation, math	1700	x6713
1185C2	Exam in BerSU (hard version) brute force, data structures, greedy, math	1700	x7451
1184D1	Parallel Universes (Easy) implementation	1600	x2524
1184C1	Heidi and the Turing Test (Easy) implementation	1600	x2288
1184B1	The Doctor Meets Vader (Easy) binary search, sortings	1400	x5231
1183D	Candy Box (easy version) greedy, sortings	1400	x14201
1183C	Computer Game binary search, math	1400	x13945
1182C	Beautiful Lyrics data structures, greedy, strings	1700	x4414
1182B	Plus from Picture dfs and similar, implementation, strings	1300	x11126
1181B	Split a Number greedy, implementation, strings	1500	x6301
1180B	Nick and Array greedy, implementation	1500	x9537
1179A	Valeriy and Deque data structures, implementation	1500	x10448
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7384
1178C	Tiles combinatorics, greedy, math	1300	x11904
1178B	WOW Factor dp, strings	1300	x15182
1176E	Cover it! dfs and similar, dsu, graphs, shortest paths, trees	1700	x10992
1176C	Lose it! dp, greedy, implementation	1300	x14185
1175C	Electrification binary search, brute force, greedy	1600	x6768
1175B	Catch Overflow! data structures, expression parsing, implementation	1600	x10616
1174C	Ehab and a Special Coloring Problem constructive algorithms, number theory	1300	x11985
1169B	Pairs graphs, implementation	1500	x9709
1168A	Increasing by Modulo binary search, greedy	1700	x6779
1167D	Bicolored RBS constructive algorithms, greedy	1500	x6933
1167C	News Distribution dfs and similar, dsu, graphs	1400	x18228
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x11566
1166C	A Tale of Two Lands binary search, sortings, two pointers	1500	x9580